Model of magma reservoar

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Model of magma reservoar

This model shows how iron- and magnesium-rich magma (green) is formed at great depth and can move along the outer edges of the large Altiplano-Puna magma body (APMB)(red) to gradually force its way up to the surface during a volcanic eruption. Eruptions with such lava are uncommon and provide a unique insight into the processes that take place deep inside the Earth under the Andes.
Osvaldo Gonzalez Maurel
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Osvaldo Gonzalez Maurel
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2264 x 2000, 1.32 MB

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  • The llamas of the Andes’ high plateau are unaware of the enormous amount of magma below their hooves. Photo: Osvaldo González-Maurel

    New study takes the pulse of a sleeping supervolcano

    Under the volcanoes in the Central Andes there is a gigantic reservoir of molten magma. For several million years, it has been there without fully solidifying or causing a supervolcanic eruption. Geologists have long wondered how this is possible. Researchers from Uppsala University, among others, have now discovered that the secret may be hidden tributaries of hot magma from inside the Earth.

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